The amazing oven-bake polymer clay kit that lets kids design their own erasers! Set includes six 1 oz. bars of Sculpey amazing eraser clay: one each of blue, grape, lime, mango, orange and pink, plus two sculpting tools. Bakes at 250°F for 20 minutes per 1/4" thickness. Contains no sulfur, gluten, latex or dairy. AP Seal, non-toxic.